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Yun, Hye Joo,So, Eunsun,Karm, Myong-Hwan,Kim, Hyun Jeong,Seo, Kwang-Suk The Korean Dental Society of Anesthsiology 2018 Journal of Dental Anesthesia and Pain Medicine Vol.18 No.2
In cases of a difficult intubation where numerous intubation methods, including laryngoscopy, have failed, yet oral intubation is still necessary, the method of tube exchange after fiberoptic nasal intubation may be attempted. Fiberoptic nasal intubation allows intubation to be performed relatively easily when the laryngeal view grade is poor. We report a case in which our attempt at oral intubation for total maxillectomy with laryngoscopy and fiberoptic oral intubation had failed due to an unexpected difficult airway; subsequently, we successfully completed the surgery by performing fiberoptic nasal intubation to secure the airway, followed by using a tube exchanger to exchange to an oral endotracheal tube.
Airway management in pediatric tongue flap division for oronasal fistula closure: A case report
So, Eunsun,Yun, Hye Joo,Karm, Myong-Hwan,Kim, Hyun Jeong,Seo, Kwang-Suk,Ha, Hyunbin The Korean Dental Society of Anesthsiology 2018 Journal of Dental Anesthesia and Pain Medicine Vol.18 No.5
Oronasal fistulae (ONF) could remain after surgery in some patients with cleft palate. ONF ultimately requires intraoral surgery, which may lead to perioperative airway obstruction. Tongue flap surgery is a technique used to repair ONF. During the second surgery for performing tongue flap division, the flap transplanted from the tongue dorsum to the palate of the patient acts as an obstacle to airway management, which poses a great challenge for anesthesiologists. In particular, anesthesiologists may face difficulty in airway evaluation and patient cooperation during general anesthesia for tongue flap division surgery in pediatric patients. The authors report a case of airway management using a flexible fiberoptic bronchoscope during general anesthesia for tongue flap division surgery in a 6-year-old child.
박은선(Park, Eunsun),윤홍옥(Yun, Hongoak) 미래영어영문학회 2021 영어영문학 Vol.26 No.1
The purpose of this study is to investigate the grammatical and structural patterns of code-switches that Korean-English bilinguals have produced. We collected the Korean-English and English-Korean code-switching utterances produced by 60 Korean-speaking participants, and analyzed them under the grammatical constraints regulated by Poplack’s model and Myers-Scotton’s model. The results revealed several points in accounting for the grammatical and structural characteristics of the bilinguals’ code-switching utterances. We further discuss our results in terms of bilinguals’grammatical encoding based on Block and Levelt’s production model.
Lim, Seon Woo,So, Eunsun,Yun, Hye Joo,Karm, Myong-Hwan,Chang, Juhea,Lee, Hanbin,Kim, Hyun Jeong,Seo, Kwang-Suk The Korean Dental Society of Anesthsiology 2018 Journal of Dental Anesthesia and Pain Medicine Vol.18 No.4
Background: When performing dental treatment under general anesthesia in adult patients who have difficulty cooperating due to intellectual disabilities, anesthesia induction may be difficult as well. In particular, patients who refuse to come into the dental office or sit in the dental chair may have to be forced to do so. However, for adult patients with a large physique, physical restraint may be difficult, while oral sedatives as premedication may be helpful. Here, a retrospective analysis was performed to investigate the effect of oral sedatives. Methods: A hospital-based medical information database was searched for patients who were prescribed oral midazolam or triazolam between January 2009 and December 2017. Pre-anesthesia evaluation, anesthesia, and anesthesia recovery records of all patients were analyzed, and information on disability type, reason for prescribing oral sedatives, prescribed medication and dose, cooperation level during anesthesia induction, anesthesia duration, length of recovery room stay, and complications was retrieved. Results: A total of 97 patients were identified, of whom 50 and 47 received midazolam and triazolam, respectively. The major types of disability were intellectual disabilities, autism, Down syndrome, blindness, cerebral palsy, and epilepsy. Analyses of changes in cooperation levels after drug administration showed that anesthesia induction without physical restraint was possible in 56.0% of patients in the midazolam group and in 46.8% of patients in the triazolam group (P = 0.312). Conclusions: With administration of oral midazolam or triazolam, general anesthesia induction without any physical restraint was possible in approximately 50% of patients, with no difference between the drugs.
Prediction of Alcohol Concentraion of Makgeolli with Multilayer Perceptron Model
( Joonyong Kim ),( Shin-joung Rho ),( Yun Sung Cho ),( Seokkyu Kim ),( Eunsun Cho ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
Makgeolli is a traditional alcoholic beverage made from rice with a fermentation starter called ‘Nuruk’. The concentration of alcohol of Makgeolli depends on temperature of a fermentation tank. It is important to monitor the concentration in order to manage the Makgeolli production process. Data for learning were collected from 40 fermentation tanks during a month. Independent variables were temperatures of tanks and room, quantity, acid and water concentration of source. Software for multilayer perceptron model was written in Python with scikit-learn library. The coefficient of determination R<sup>2</sup> of training and test were 0.89, and 0.80 respectively. This model could help to predict alcohol concentration and to control production process of Makgeolli.